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-rw-r--r--kdm/backend/xdmauth.c267
1 files changed, 0 insertions, 267 deletions
diff --git a/kdm/backend/xdmauth.c b/kdm/backend/xdmauth.c
deleted file mode 100644
index 86257c651..000000000
--- a/kdm/backend/xdmauth.c
+++ /dev/null
@@ -1,267 +0,0 @@
-/*
-
-Copyright 1988, 1998 The Open Group
-Copyright 2001,2003 Oswald Buddenhagen <ossi@kde.org>
-
-Permission to use, copy, modify, distribute, and sell this software and its
-documentation for any purpose is hereby granted without fee, provided that
-the above copyright notice appear in all copies and that both that
-copyright notice and this permission notice appear in supporting
-documentation.
-
-The above copyright notice and this permission notice shall be included
-in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
-IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
-OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
-ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
-OTHER DEALINGS IN THE SOFTWARE.
-
-Except as contained in this notice, the name of a copyright holder shall
-not be used in advertising or otherwise to promote the sale, use or
-other dealings in this Software without prior written authorization
-from the copyright holder.
-
-*/
-
-/*
- * xdm - display manager daemon
- * Author: Keith Packard, MIT X Consortium
- *
- * generate authorization data for XDM-AUTHORIZATION-1 as per XDMCP spec
- */
-
-#include <config.h>
-
-#ifdef HASXDMAUTH
-
-#include "dm.h"
-#include "dm_auth.h"
-#include "dm_error.h"
-
-static char auth_name[256];
-static int auth_name_len;
-
-void
-XdmInitAuth( unsigned short name_len, const char *name )
-{
- if (name_len > 256)
- name_len = 256;
- auth_name_len = name_len;
- memmove( auth_name, name, name_len );
-}
-
-/*
- * Generate authorization for XDM-AUTHORIZATION-1
- *
- * When being used with XDMCP, 8 bytes are generated for the session key
- * (sigma), as the random number (rho) is already shared between xdm and
- * the server. Otherwise, we'll prepend a random number to pass in the file
- * between xdm and the server (16 bytes total)
- */
-
-static Xauth *
-XdmGetAuthHelper( unsigned short namelen, const char *name, int includeRho )
-{
- Xauth *new;
-
- if (!(new = (Xauth *)Malloc( sizeof(Xauth) )))
- return (Xauth *)0;
- new->family = FamilyWild;
- new->address_length = 0;
- new->address = 0;
- new->number_length = 0;
- new->number = 0;
- if (includeRho)
- new->data_length = 16;
- else
- new->data_length = 8;
-
- new->data = (char *)Malloc( new->data_length );
- if (!new->data) {
- free( (char *)new );
- return (Xauth *)0;
- }
- new->name = (char *)Malloc( namelen );
- if (!new->name) {
- free( (char *)new->data );
- free( (char *)new );
- return (Xauth *)0;
- }
- memmove( (char *)new->name, name, namelen );
- new->name_length = namelen;
- if (!GenerateAuthData( (char *)new->data, new->data_length )) {
- free( (char *)new->name );
- free( (char *)new->data );
- free( (char *)new );
- return (Xauth *)0;
- }
- /*
- * set the first byte of the session key to zero as it
- * is a DES key and only uses 56 bits
- */
- ((char *)new->data)[new->data_length - 8] = '\0';
- Debug( "local server auth %02[*hhx\n", new->data_length, new->data );
- return new;
-}
-
-Xauth *
-XdmGetAuth( unsigned short namelen, const char *name )
-{
- return XdmGetAuthHelper( namelen, name, TRUE );
-}
-
-#ifdef XDMCP
-
-void
-XdmGetXdmcpAuth( struct protoDisplay *pdpy,
- unsigned short authorizationNameLen,
- const char *authorizationName )
-{
- Xauth *fileauth, *xdmcpauth;
-
- if (pdpy->fileAuthorization && pdpy->xdmcpAuthorization)
- return;
- xdmcpauth = XdmGetAuthHelper( authorizationNameLen, authorizationName,
- FALSE );
- if (!xdmcpauth)
- return;
- fileauth = (Xauth *)Malloc( sizeof(Xauth) );
- if (!fileauth) {
- XauDisposeAuth( xdmcpauth );
- return;
- }
- /* build the file auth from the XDMCP auth */
- *fileauth = *xdmcpauth;
- fileauth->name = Malloc( xdmcpauth->name_length );
- fileauth->data = Malloc( 16 );
- fileauth->data_length = 16;
- if (!fileauth->name || !fileauth->data) {
- XauDisposeAuth( xdmcpauth );
- if (fileauth->name)
- free( (char *)fileauth->name );
- if (fileauth->data)
- free( (char *)fileauth->data );
- free( (char *)fileauth );
- return;
- }
- /*
- * for the file authorization, prepend the random number (rho)
- * which is simply the number we've been passing back and
- * forth via XDMCP
- */
- memmove( fileauth->name, xdmcpauth->name, xdmcpauth->name_length );
- memmove( fileauth->data, pdpy->authenticationData.data, 8 );
- memmove( fileauth->data + 8, xdmcpauth->data, 8 );
- Debug( "accept packet auth %02[*hhx\nauth file auth %02[*hhx\n",
- xdmcpauth->data_length, xdmcpauth->data,
- fileauth->data_length, fileauth->data );
- /* encrypt the session key for its trip back to the server */
- XdmcpWrap( (unsigned char *)xdmcpauth->data, (unsigned char *)&pdpy->key,
- (unsigned char *)xdmcpauth->data, 8 );
- pdpy->fileAuthorization = fileauth;
- pdpy->xdmcpAuthorization = xdmcpauth;
-}
-
-#define atox(c) ('0' <= c && c <= '9' ? c - '0' : \
- 'a' <= c && c <= 'f' ? c - 'a' + 10 : \
- 'A' <= c && c <= 'F' ? c - 'A' + 10 : -1)
-
-static int
-HexToBinary( char *key )
-{
- char *out, *in;
- int top, bottom;
-
- in = key + 2;
- out= key;
- while (in[0] && in[1]) {
- top = atox( in[0] );
- if (top == -1)
- return 0;
- bottom = atox( in[1] );
- if (bottom == -1)
- return 0;
- *out++ = (top << 4) | bottom;
- in += 2;
- }
- if (in[0])
- return 0;
- *out++ = '\0';
- return 1;
-}
-
-/*
- * Search the Keys file for the entry matching this display. This
- * routine accepts either plain ascii strings for keys, or hex-encoded numbers
- */
-
-static int
-XdmGetKey( struct protoDisplay *pdpy, ARRAY8Ptr displayID )
-{
- FILE *keys;
- char line[1024], id[1024], key[1024];
- int keylen;
-
- Debug( "lookup key for %.*s\n", displayID->length, displayID->data );
- keys = fopen( keyFile, "r" );
- if (!keys)
- return FALSE;
- while (fgets( line, sizeof(line), keys )) {
- if (line[0] == '#' || sscanf( line, "%s %s", id, key ) != 2)
- continue;
- bzero( line, sizeof(line) );
- Debug( "key entry for %\"s %d bytes\n", id, strlen( key ) );
- if (strlen( id ) == displayID->length &&
- !strncmp( id, (char *)displayID->data, displayID->length ))
- {
- if (!strncmp( key, "0x", 2 ) || !strncmp( key, "0X", 2 ))
- if (!HexToBinary( key ))
- break;
- keylen = strlen( key );
- while (keylen < 7)
- key[keylen++] = '\0';
- pdpy->key.data[0] = '\0';
- memmove( pdpy->key.data + 1, key, 7 );
- bzero( key, sizeof(key) );
- fclose( keys );
- return TRUE;
- }
- }
- bzero( line, sizeof(line) );
- bzero( key, sizeof(key) );
- fclose( keys );
- return FALSE;
-}
-
-/*ARGSUSED*/
-int
-XdmCheckAuthentication( struct protoDisplay *pdpy,
- ARRAY8Ptr displayID,
- ARRAY8Ptr authenticationName ATTR_UNUSED,
- ARRAY8Ptr authenticationData )
-{
- XdmAuthKeyPtr incoming;
-
- if (!XdmGetKey( pdpy, displayID ))
- return FALSE;
- if (authenticationData->length != 8)
- return FALSE;
- XdmcpUnwrap( authenticationData->data, (unsigned char *)&pdpy->key,
- authenticationData->data, 8 );
- Debug( "request packet auth %02[*hhx\n",
- authenticationData->length, authenticationData->data );
- if (!XdmcpCopyARRAY8( authenticationData, &pdpy->authenticationData ))
- return FALSE;
- incoming = (XdmAuthKeyPtr)authenticationData->data;
- XdmcpIncrementKey( incoming );
- XdmcpWrap( authenticationData->data, (unsigned char *)&pdpy->key,
- authenticationData->data, 8 );
- return TRUE;
-}
-
-#endif /* XDMCP */
-#endif /* HASXDMAUTH (covering the entire file) */
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-02 05:05:51 +0000